// Copyright (C) 2012 Laboratoire de Recherche et Developement de
// l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
// Spot is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Spot is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Spot; see the file COPYING.  If not, write to the Free
// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.

#include <iostream>
#include <cassert>
#include <cstdlib>
#include <cstring>
#include "ltlparse/public.hh"
#include "ltlvisit/length.hh"
#include "ltlast/allnodes.hh"

void
syntax(char *prog)
{
  std::cerr << prog << " formula" << std::endl;
  exit(2);
}

int
main(int argc, char **argv)
{
  if (argc < 2 || argc > 3)
    syntax(argv[0]);

  bool boolone = false;
  if (!strcmp(argv[1], "-b"))
    {
      boolone = true;
      ++argv;
    }

  spot::ltl::parse_error_list p1;
  spot::ltl::formula* f1 = spot::ltl::parse(argv[1], p1);

  if (spot::ltl::format_parse_errors(std::cerr, argv[1], p1))
    return 2;

  if (boolone)
    std::cout << spot::ltl::length_boolone(f1) << std::endl;
  else
    std::cout << spot::ltl::length(f1) << std::endl;

  f1->destroy();
  assert(spot::ltl::atomic_prop::instance_count() == 0);
  assert(spot::ltl::unop::instance_count() == 0);
  assert(spot::ltl::binop::instance_count() == 0);
  assert(spot::ltl::multop::instance_count() == 0);
  return 0;
}